"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Proponents of going to Mars see peril and opportunity in Elon Musk's close relationship with Trump. Experts say just getting ...

NASA's Perseverance rover has been busy gathering bits of Mars — rock cores the size of chalk sticks, clusters of broken fragments no bigger than pencil erasers, and even grains of dust fine enough to ...

Many photos McCarthy has taken of the space station in the past show the ship as a silhouette in Earth's shadow. This time he ...

Dave Limp tells Commercial Space Conference attendees what it's going to take to get back to the Moon and eventually Mars via ...